DE2259809C2 - Fischaugenobjektiv - Google Patents

Fischaugenobjektiv

Info

Publication number
DE2259809C2
DE2259809C2 DE2259809A DE2259809A DE2259809C2 DE 2259809 C2 DE2259809 C2 DE 2259809C2 DE 2259809 A DE2259809 A DE 2259809A DE 2259809 A DE2259809 A DE 2259809A DE 2259809 C2 DE2259809 C2 DE 2259809C2
Authority
DE
Germany
Prior art keywords
lens
lens element
focal length
condition
convex
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE2259809A
Other languages
German (de)
English (en)
Other versions
DE2259809A1 (de
Inventor
Jihei Higashimurayama Tokyo Nakagawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Olympus Corp
Original Assignee
Olympus Optical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Publication of DE2259809A1 publication Critical patent/DE2259809A1/de
Application granted granted Critical
Publication of DE2259809C2 publication Critical patent/DE2259809C2/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/04—Reversed telephoto objectives

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
DE2259809A 1971-12-07 1972-12-06 Fischaugenobjektiv Expired DE2259809C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46098326A JPS5030457B2 (enrdf_load_stackoverflow) 1971-12-07 1971-12-07

Publications (2)

Publication Number Publication Date
DE2259809A1 DE2259809A1 (de) 1973-06-20
DE2259809C2 true DE2259809C2 (de) 1983-11-24

Family

ID=14216766

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2259809A Expired DE2259809C2 (de) 1971-12-07 1972-12-06 Fischaugenobjektiv

Country Status (3)

Country Link
US (1) US3850509A (enrdf_load_stackoverflow)
JP (1) JPS5030457B2 (enrdf_load_stackoverflow)
DE (1) DE2259809C2 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4222558A1 (de) * 1992-07-09 1994-01-13 Isco Optic Gmbh Fischaugenobjektiv

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5129136A (enrdf_load_stackoverflow) * 1974-09-05 1976-03-12 Minolta Camera Kk
JPS5432319A (en) * 1977-08-17 1979-03-09 Minolta Camera Co Ltd Fish eye lens
JP4862263B2 (ja) * 2004-03-31 2012-01-25 株式会社ニコン 超広角レンズ、該超広角レンズを備えた撮影装置
CN101403816B (zh) * 2008-11-07 2010-04-14 秦皇岛视听机械研究所 240°视场角超大孔径鱼眼镜头基础结构
CN111929805A (zh) * 2019-05-13 2020-11-13 信泰光学(深圳)有限公司 成像镜头
CN110426816B (zh) * 2019-08-02 2024-04-30 佛山科学技术学院 一种小型化全景日夜共焦光学系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH307376A (de) * 1952-09-08 1955-05-31 Bertele Ludwig Weitwinkelobjektiv.
DE1447270A1 (de) * 1964-05-30 1968-11-14 Josef Schneider & Co Photographisches oder kinematographisches Weitwinkelobjektiv mit langer bildseitiger Schnittweite
US3524697A (en) * 1967-04-27 1970-08-18 Nippon Kogaku Kk Achromatic super wide-angle lens
US3622227A (en) * 1969-12-24 1971-11-23 Yoshiyuki Shimizu Retrofocus-type wide-angle camera lens
JPS4920221B1 (enrdf_load_stackoverflow) * 1970-09-30 1974-05-23

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4222558A1 (de) * 1992-07-09 1994-01-13 Isco Optic Gmbh Fischaugenobjektiv

Also Published As

Publication number Publication date
US3850509A (en) 1974-11-26
JPS5030457B2 (enrdf_load_stackoverflow) 1975-10-01
DE2259809A1 (de) 1973-06-20
JPS4863720A (enrdf_load_stackoverflow) 1973-09-04

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Legal Events

Date Code Title Description
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee